Abstract
This paper describes the characteristics of liquefied natural gas (LNG) carriers briefly. The LNG carrier includes power plant selection, vapor treatment, liquid cargo tank type, etc. Two parameters—fuel substitution rate and recovery of boil of gas (BOG) volume to energy efficiency design index (EEDI) formula are added, and EEDI formula of LNG carriers is established based on ship EEDI formula. Then, based on steam turbine propulsion device of LNG carriers, mathematical models of LNG carriers’ reference line value are established in this paper. By verification, the EEDI formula of LNG carriers described in this paper can provide a reference for LNG carrier EEDI calculation and green shipbuilding.
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Foundation item: Supported by the National Special Fund for Agro-scientific Research in the Public Interest (No.201003024), and the National Natural Science Foundation of China (No.51409042; No. 51209034).
Yan Lin was born in 1963. He is a professor at Dalian University of Technology. His research interests include ship and offshore structure design, ship CAD software system development, and ocean engineering equipment research.
Yanyun Yu was born in 1980. He is a lecturer at Dalian University of Technology. His research interests include 3D parametric technology in ship design and development of ship CAD engineering software.
Guan Guan was born in 1983. He is a lecturer at Dalian University of Technology. His research interests include optimization design of ship and marine structures and its digital technologies.
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Lin, Y., Yu, Y. & Guan, G. Research on energy efficiency design index for sea-going LNG carriers. J. Marine. Sci. Appl. 13, 430–436 (2014). https://doi.org/10.1007/s11804-014-1282-6
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DOI: https://doi.org/10.1007/s11804-014-1282-6